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Right ventricular hypertrophy (RVH) is a condition defined by an abnormal enlargement of the cardiac muscle surrounding the right ventricle. The right ventricle is one of the four chambers of the heart.
Specifically, an increase in Q wave size, abnormalities in the P wave, as well as giant inverted T waves, are indicative of significant concentric hypertrophy. [13] Specific changes in repolarization and depolarization events are indicative of different underlying causes of hypertrophy and can assist in the appropriate management of the condition.
The electrical axis of the heart is the net direction in which the wave of depolarization travels. It is measured using an electrocardiogram (ECG).Normally, this begins at the sinoatrial node (SA node); from here the wave of depolarisation travels down to the apex of the heart.
Left ventricular hypertrophy with secondary repolarization abnormalities as seen on ECG Histopathology of (a) normal myocardium and (b) myocardial hypertrophy. Scale bar indicates 50 μm. Gross pathology of left ventricular hypertrophy. Left ventricle is at right in image, serially sectioned from apex to near base.
This current is observed in human and dog action potentials, but not in guinea pig action potentials. Repolarization is accomplished by channels that open slowly and are mostly activated at the end of the action potential ( slow delayed-rectifier channels ) and channels that open quickly but are inactivated until the end of the action potential ...
The findings showed that a fifth of respondents reported their dog had eight or more behavioral problems at that age, such as pulling on the leash, clinginess, or aggression, while 33% said ...
Dogs and cats with past trauma that can't be around other animals, as well as those with serious health problems or injuries, benefit from dedicated foster parents.
Heart valve dysplasia (including mitral and tricuspid valve dysplasia) is a congenital heart abnormality in dogs. Dysplasia of the mitral and tricuspid valves - also known as the atrioventricular (AV) valves - can appear as thickened, shortened, or notched valves.